參數(shù)資料
型號: 101-1226
廠商: Rabbit Semiconductor
文件頁數(shù): 149/168頁
文件大?。?/td> 0K
描述: RCM3900 DEV KIT UNIVERSAL
標準包裝: 1
系列: RabbitCore 3900
類型: MPU 模塊
適用于相關產(chǎn)品: RCM3900
所含物品: RabbitCore 模塊、開發(fā)板、交流適配器、纜線和 Dynamic C? 光盤
其它名稱: 316-1137
RabbitCore RCM3900 User’s Manual
81
A.4 I/O Buffer Sourcing and Sinking Limit
Unless otherwise specified, the Rabbit I/O buffers are capable of sourcing and sinking
6.8 mA of current per pin at full AC switching speed. Full AC switching assumes a
22.1 MHz CPU clock and capacitive loading on address and data lines of less than 100 pF
per pin. The absolute maximum operating voltage on all I/O is 5.5 V.
Table A-7 shows the AC and DC output drive limits of the parallel I/O buffers when the
Rabbit 3000 is used in the RCM3900.
Under certain conditions, you can exceed the limits outlined in Table A-7. See the Rabbit
3000 Microprocessor User’s Manual for additional information.
Table A-7. I/O Buffer Sourcing and Sinking Capability
Pin Name
Output Drive (Full AC Switching)
Sourcing/Sinking Limits
(mA)
Sourcing
Sinking
All data, address, and I/O
lines with clock doubler
enabled
6.8
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